51761754 has 80 divisors (see below), whose sum is σ = 130749696. Its totient is φ = 15163200.

The previous prime is 51761747. The next prime is 51761767. The reversal of 51761754 is 45716715.

51761754 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 54774 + ... + 55710.

Almost surely, 2^51761754 is an apocalyptic number.

51761754 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 51761754, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65374848).

51761754 is an abundant number, since it is smaller than the sum of its proper divisors (78987942).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51761754 is a wasteful number, since it uses less digits than its factorization.

51761754 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 993 (or 984 counting only the distinct ones).

The product of its digits is 29400, while the sum is 36.

The square root of 51761754 is about 7194.5641980595. The cubic root of 51761754 is about 372.6802070869.

The spelling of 51761754 in words is "fifty-one million, seven hundred sixty-one thousand, seven hundred fifty-four".